Toward three-dimensional ultrasound image fusion for the guidance of gynecological brachytherapy procedures

Trumpour, Tiana; Rodgers, Jessica; Tessier, David; Mendez, Lucas C.; Surry, Kathleen; Fenster, Aaron

doi:10.1117/12.2611506

Cited by 1 publication

(1 citation statement)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The drawbacks of 2D US include a lack of volumetric visualization of the pelvic region and dependence on operator training and experience. Alternatively, threedimensional (3D) US imaging has been previously investigated from a trans-abdominal (TAUS) and trans-rectal (TRUS) view for its utility in localizing applicator placement during cervical brachytherapy procedures [4,5].…”

Section: Introductionmentioning

confidence: 99%

An automated system for registration and fusion of 3D ultrasound images during cervical brachytherapy procedures

Trumpour,

Nasser,

Rodgers

et al. 2024

Medical Imaging 2024: Ultrasonic Imaging and Tomography

View full text Add to dashboard Cite

High dose-rate brachytherapy is a typical part of the treatment process for cervical cancer. During this procedure, radioactive sources are placed locally to the malignancy using specialized applicators or interstitial needles. To ensure accurate dose delivery and positive patient outcomes, medical imaging is utilized intra-procedurally to ensure precise placement of the applicator. Previously, the fusion of three-dimensional ultrasound images has been investigated as an alternative volumetric imaging technique during cervical brachytherapy treatments. However, the need to manually register the two three-dimensional ultrasound images offline resulted in excessively large registration errors. To overcome this limitation, we have designed and developed a tracked, automated mechatronic system to inherently register three-dimensional ultrasound images in real-time. We perform a system calibration using an external coordinate system transform and validate the system tracking using a commercial optical tracker. The results of both experiments indicated sub-millimeter system accuracy, indicating the superior performance of our device. Future work for this study includes performing phantom validation experiments and translating our device into clinical work.

show abstract

Section: Introductionmentioning

confidence: 99%